titanium tetraiodide
- Formula: I4Ti
- Molecular weight: 555.485
- CAS Registry Number: 7720-83-4
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Liquid Phase Heat Capacity (Shomate Equation)
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 428. - 1500. |
|---|---|
| A | 37.40010 |
| B | -6.847469×10-10 |
| C | 7.483631×10-10 |
| D | -2.582959×10-10 |
| E | -5.192840×10-12 |
| F | -94.40000 |
| G | 119.7920 |
| H | -83.24909 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1968 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 428. | 37.40 | 88.05 | 76.71 | 4.86 |
| 500. | 37.40 | 93.87 | 78.77 | 7.55 |
| 600. | 37.40 | 100.7 | 81.87 | 11.29 |
| 700. | 37.40 | 106.5 | 84.98 | 15.03 |
| 800. | 37.40 | 111.4 | 87.98 | 18.77 |
| 900. | 37.40 | 115.9 | 90.84 | 22.51 |
| 1000. | 37.40 | 119.8 | 93.54 | 26.25 |
| 1100. | 37.40 | 123.4 | 96.09 | 29.99 |
| 1200. | 37.40 | 126.6 | 98.50 | 33.73 |
| 1300. | 37.40 | 129.6 | 100.8 | 37.47 |
| 1400. | 37.40 | 132.4 | 102.9 | 41.21 |
| 1500. | 37.40 | 135.0 | 105.0 | 44.95 |
References
Go To: Top, Liquid Phase Heat Capacity (Shomate Equation), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Notes
Go To: Top, Liquid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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